Comparing hospital mortality--how to count does matter for patients hospitalized for acute myocardial infarction (AMI), stroke and hip fracture.
BMC Health Serv Res. 2012 Oct 22;12:364. doi: 10.1186/1472-6963-12-364.
BMC Health Serv Res. 2012.
PMID: 23088745
Free PMC article.